Question

Why does the upper trapezius not upwardly rotate the scapula? a. Because it inserts on the...

Why does the upper trapezius not upwardly rotate the scapula?

a. Because it inserts on the clavicle and not the scapula.

b. Because the line of pull is too horizontal.

c. Because it is a relatively weak muscle.

d. Because it has an insertion that is superior to the origin.

Science   Anatomy-And-Physiology   
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Answer #1

Upper trapezius

​​​​​​​Origin. - Occiput, nuchal ligament on cervical vertebrae.

Insertion.    - Lateral third of the clavicle.

Action. -   Scapular elevation and upward rotation.

Innervation. - Spinal accessory nerve.

From the information above, upper trapezius do upwardly rotate the scapula, and upper trapezius inserts on clavicle and not to scapula.

So the question provided is wrong and only correct option from the question is opyion (a).

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